.tr_left {
    text-align: right;
    font-weight: bold;
    width: 120px;
    color: #666;
    font-size: 14px;
    zoom: 1;
    height: 40px;
}

.tr_center {
    text-align: center;
    font-weight: bold;
    width: 120px;
    color: #666;
    font-size: 14px;
    zoom: 1;
    height: 40px;
}

.required {
    color:red;font-size:15px
}

label{
    cursor: pointer;
    padding: 5px;
}
label:hover{
    border: 1px solid red;
}